
 .wrap{height:170px;
 width:490px;
 margin:60px auto;
 overflow: hidden;
 position: relative;
 margin:100px auto;}
 .wrap ul{position:absolute;}
 .wrap ul li{height:170px;}
 .wrap ol{position:absolute;
 right:5px;
 bottom:10px;}
 .wrap ol li{height:20px; width: 20px;
 background:#ccc;
 border:solid 1px #666;
 margin-left:5px;
 color:#000;
 float:left;
 line-height:center;
 text-align:center;
 cursor:pointer;}
 .wrap ol .on{background:#E97305;
 color:#fff;}